ATPL Exam Latest Updated Graded A+
Relative Humidity Equation - Answer- RH% = 100 - 5 (Temp - Dew Point)
Cloud Base Equation - Answer- Height AGL = (Temp - Dew Point) x 400
Blocking Anticyclone in the Northern Hemisphere - Answer- Quasi-Stationary Warm
Anticyclone between 50-70°N
Minstral - Answer- Cold Northerly Wind down the Rhône valley to the Mediterranean
ABBA Equation (Mercator) - Answer- Scale A x Cos B = Scale B x Cos A
Scale (Mercator) - Answer- Scale A = Scale (Equator) x 1 / Cos (Lat A)
Mercator Chart Convergency - Answer- 0
Lambert Conic Convergence Equation - Answer- Chart Convergence = Change of Long
x Sin (Parallel of origin)
Polar Stereograph Convergency - Answer- Convergency = Change in Longitude
Cirrus Cloud - Answer- Fibrous/hair like
Mountain waves stable/unstable - Answer- Stable
Geostrophic wind - Answer- flows parallel to the isobars. PGF and coriolis balance
gradient wind - Answer- flows parallel to curved isobars. Centrifugal force
Buys Ballot's Law - Answer- Back to wind, low pressure to the left
Cloud after cold front - Answer- Cumulus
Convection - Answer- Vertical movement of air
Conduction - Answer- Physical contact
Advection - Answer- horizontal movement of air
Inversion - Answer- Temperature increases with alt. Stable
Minstral - Answer- Rhône Valley wind in the alps. Strong NW. Dry
Bora - Answer- Across the balkans to the Adriatic. Cold, katabatic. Strong gusty
, Chinook - Answer- Foehn wind in the rockys
Sirocco - Answer- Sahara to S Europe. Hot, dusty
Harmattan - Answer- (on the west coast of Africa) a dry, parching land breeze, charged
with dust.
Speed of a tropical storm - Answer- 25kts
VOLMET - Answer- Voice transmission giving meteorological information to aircraft in
flight for multiple airports
Coriolis effect in N hem - Answer- Wind deflected to the right
QFF - Answer- Actual MSL pressure. Used for forcasting
Icing on high performance wings - Answer- More ice than low performance wings
Polar front in winter - Answer- Florida to folkstone
Polar front in summer - Answer- Newfoundland to Norway
BKN cloud cover - Answer- 5-7 oktas
4 Error Categories - Answer- Slip, Mistake, lapse, violation
Decide Model - Answer- Detect Estimate choose identify do evaluate
Rule based behaviour - Answer- Remembered rules and procedures
AIREP - Answer- Routine air report from aircraft in flight
PIREP - Answer- Pilot Report (special air report)
High pressure sensors - Answer- Transducer
Wind on a metar (T or M) - Answer- True
SPECI - Answer- Like a metar but issued earlier than the normal 30 minute cycle.
Normally indicates significant change
SIGMET - Answer- Significant Meteorological Information, and it's a weather advisory
that contains information about significant weather events like thunderstorms and
severe turbulence. Valid 4 hours
Relative Humidity Equation - Answer- RH% = 100 - 5 (Temp - Dew Point)
Cloud Base Equation - Answer- Height AGL = (Temp - Dew Point) x 400
Blocking Anticyclone in the Northern Hemisphere - Answer- Quasi-Stationary Warm
Anticyclone between 50-70°N
Minstral - Answer- Cold Northerly Wind down the Rhône valley to the Mediterranean
ABBA Equation (Mercator) - Answer- Scale A x Cos B = Scale B x Cos A
Scale (Mercator) - Answer- Scale A = Scale (Equator) x 1 / Cos (Lat A)
Mercator Chart Convergency - Answer- 0
Lambert Conic Convergence Equation - Answer- Chart Convergence = Change of Long
x Sin (Parallel of origin)
Polar Stereograph Convergency - Answer- Convergency = Change in Longitude
Cirrus Cloud - Answer- Fibrous/hair like
Mountain waves stable/unstable - Answer- Stable
Geostrophic wind - Answer- flows parallel to the isobars. PGF and coriolis balance
gradient wind - Answer- flows parallel to curved isobars. Centrifugal force
Buys Ballot's Law - Answer- Back to wind, low pressure to the left
Cloud after cold front - Answer- Cumulus
Convection - Answer- Vertical movement of air
Conduction - Answer- Physical contact
Advection - Answer- horizontal movement of air
Inversion - Answer- Temperature increases with alt. Stable
Minstral - Answer- Rhône Valley wind in the alps. Strong NW. Dry
Bora - Answer- Across the balkans to the Adriatic. Cold, katabatic. Strong gusty
, Chinook - Answer- Foehn wind in the rockys
Sirocco - Answer- Sahara to S Europe. Hot, dusty
Harmattan - Answer- (on the west coast of Africa) a dry, parching land breeze, charged
with dust.
Speed of a tropical storm - Answer- 25kts
VOLMET - Answer- Voice transmission giving meteorological information to aircraft in
flight for multiple airports
Coriolis effect in N hem - Answer- Wind deflected to the right
QFF - Answer- Actual MSL pressure. Used for forcasting
Icing on high performance wings - Answer- More ice than low performance wings
Polar front in winter - Answer- Florida to folkstone
Polar front in summer - Answer- Newfoundland to Norway
BKN cloud cover - Answer- 5-7 oktas
4 Error Categories - Answer- Slip, Mistake, lapse, violation
Decide Model - Answer- Detect Estimate choose identify do evaluate
Rule based behaviour - Answer- Remembered rules and procedures
AIREP - Answer- Routine air report from aircraft in flight
PIREP - Answer- Pilot Report (special air report)
High pressure sensors - Answer- Transducer
Wind on a metar (T or M) - Answer- True
SPECI - Answer- Like a metar but issued earlier than the normal 30 minute cycle.
Normally indicates significant change
SIGMET - Answer- Significant Meteorological Information, and it's a weather advisory
that contains information about significant weather events like thunderstorms and
severe turbulence. Valid 4 hours
